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598038

Sigma-Aldrich

1,4-Bis(triethoxysilyl)benzene

96%

Synonym(s):

BTEB

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About This Item

Linear Formula:
C6H4(Si(OC2H5)3)2
CAS Number:
2615-18-1
Molecular Weight:
402.63
MDL number:
MFCD05664351
UNSPSC Code:
12352103
PubChem Substance ID:
24881732
NACRES:
NA.22

Assay

96%

refractive index

n20/D 1.456 (lit.)

bp

130-133 °C/0.5 mmHg (lit.)

density

1.015 g/mL at 25 °C (lit.)

SMILES string

CCO[Si](OCC)(OCC)c1ccc(cc1)[Si](OCC)(OCC)OCC

InChI

1S/C18H34O6Si2/c1-7-19-25(20-8-2,21-9-3)17-13-15-18(16-14-17)26(22-10-4,23-11-5)24-12-6/h13-16H,7-12H2,1-6H3

InChI key

YYJNCOSWWOMZHX-UHFFFAOYSA-N

Application

1,4-Bis(triethoxysilyl)benzene (BTEB) is a silicon-based nucleophile shown to be reactive in Pd-catalyzed cross-coupling reactions.
It is extensively used as a precursor in the synthesis of a variety of periodic mesoporous organosilicas (PMOs).

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

>230.0 °F - closed cup

Flash Point(C)

> 110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Oriented periodic mesoporous organosilica (PMO) film with organic functionality inside the channel walls.
Dag O, et al.
Advances in Functional Materials, 11(3), 213-217 (2001)
Facile Synthesis of Yolk?Shell?Structured Triple?Hybridized Periodic Mesoporous Organosilica Nanoparticles for Biomedicine.
Teng Z, et al.
Small, 12(26), 3550-3558 (2016)
Periodic mesoporous organosilica nanoparticles with controlled morphologies and high drug/dye loadings for multicargo delivery in cancer cells.
Croissant J G, et al.
Chemistry?A European Journal , 22(28), 9607-9615 (2016)
Manik Mandal et al.
Journal of colloid and interface science, 524, 445-455 (2018-04-21)
Bridged-organosilica nanotubes with a variety of bridging groups (methylene, ethylene, ethenylene, phenylene and p-xylylene) were synthesized using swollen mixtures of Pluronic triblock copolymer surfactants as micellar templates. The mixtures consisted of Pluronic F127 surfactant (EO106PO70EO106) with long poly(ethylene oxide), PEO
Alexey S Vishnevskiy et al.
Materials (Basel, Switzerland), 13(20) (2020-10-15)
Organosilicate glass-based porous low dielectic constant films with different ratios of terminal methyl to bridging organic (methylene, ethylene and 1,4-phenylene) groups are spin-on deposited by using a mixture of alkylenesiloxane with organic bridges and methyltrimethoxysilane, followed by soft baking at
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